Answer: 0.075
Step-by-step explanation:
−1.125+
24
20
=−1.125+
6
/5
=0.075
Ten (10) more than (+) half (

) of a number (x) is (=) eight (8) less than (-) twice (2 x ) the number (x).

x + 10 = 2x - 8 Multiply both sides by 2
x + 20 = 4x - 16 Subtract x from both sides
20 = 3x - 16 Add 16 to both sides
36 = 3x Divide both sides by 3
12 = x
Answer:
rational
Step-by-step explanation:
<h3>
Answer: -76 (choice C)</h3>
Explanation:
We're applying the dot product.
u dot v = 3*(-4) + (-8)*8
u dot v = -12 - 64
u dot v = -76
The idea is that we multiply the x coordinates together, and the y coordinates together separately. Afterward you add the products. The result of any dot product is a scalar value, aka a single number.
The dot product is useful in many applications. One of which is to determine if two vectors are orthogonal.